Answer:
I'm pretty sure the length is 16m.
Step-by-step explanation:
If the area is a total of 256^2 m, then finding the square root of that area would get you the side length of the playground. The square root of 256 is 16, therefore the sidelength of the playground is 16m :)
The corret answer is leter B
C. 26°, 64°, 90°
